/*!
 * template.js v0.7.1 (https://github.com/yanhaijing/template.js)
 * API https://github.com/yanhaijing/template.js/blob/master/doc/api.md
 * Copyright 2015 yanhaijing. All Rights Reserved
 * Licensed under MIT (https://github.com/yanhaijing/template.js/blob/master/MIT-LICENSE.txt)
 */
;(function(root, factory) {
 var template = factory(root);
 if (typeof define === 'function' && define.amd) {
     // AMD
     define('template', function() {
         return template;
     });
 } else if (typeof exports === 'object') {
     // Node.js
     module.exports = template;
 } else {
     // Browser globals
     var _template = root.template;

     template.noConflict = function() {
         if (root.template === template) {
             root.template = _template;
         }

         return template;
     };
     root.template = template;
 }
}(this, function(root) {
 'use strict';
 var o = {
     sTag: '<%',//开始标签
     eTag: '%>',//结束标签
     compress: false,//是否压缩html
     escape: true, //默认输出是否进行HTML转义
     error: function (e) {}//错误回调
 };
 var functionMap = {}; //内部函数对象
 //修饰器前缀
 var modifierMap = {
     '': function (param) {return nothing(param)},
     'h': function (param) {return encodeHTML(param)},
     'u': function (param) {return encodeURI(param)}
 };

 var toString = {}.toString;
 var slice = [].slice;
 function type(x) {
     if(x === null){
         return 'null';
     }

     var t= typeof x;

     if(t !== 'object'){
         return t;
     }

     var c = toString.call(x).slice(8, -1).toLowerCase();
     if(c !== 'object'){
         return c;
     }

     if(x.constructor==Object){
         return c;
     }

     return 'unkonw';
 }

 function isObject(obj) {
     return type(obj) === 'object';
 }
 function isFunction(fn) {
     return type(fn) === 'function';
 }
 function isString(str) {
     return type(str) === 'string';
 }
 function extend() {
     var target = arguments[0] || {};
     var arrs = slice.call(arguments, 1);
     var len = arrs.length;
  
     for (var i = 0; i < len; i++) {
         var arr = arrs[i];
         for (var name in arr) {
             target[name] = arr[name];
         }
  
     }
     return target;
 }
 function clone() {
     var args = slice.call(arguments);
     return extend.apply(null, [{}].concat(args));
 }
 function nothing(param) {
     return param;
 }
 function encodeHTML(source) {
     return String(source)
         .replace(/&/g,'&amp;')
         .replace(/</g,'&lt;')
         .replace(/>/g,'&gt;')
         .replace(/\\/g,'&#92;')
         .replace(/"/g,'&quot;')
         .replace(/'/g,'&#39;');
 }
 function compress(html) {
     return html.replace(/\s+/g, ' ').replace(/<!--[\w\W]*?-->/g, '');
 }
 function consoleAdapter(cmd, msg) {
     typeof console !== 'undefined' && console[cmd] && console[cmd](msg);
 }
 function handelError(e) {
     var message = 'template.js error\n\n';

     for (var key in e) {
         message += '<' + key + '>\n' + e[key] + '\n\n';
     }
     message += '<message>\n' + e.message + '\n\n';
     consoleAdapter('error', message);

     o.error(e);
     function error() {
         return 'template.js error';
     }
     error.toString = function () {
         return '__code__ = "template.js error"';
     }
     return error;
 }
 function parse(tpl, opt) {
     var code = '';
     var sTag = opt.sTag;
     var eTag = opt.eTag;
     var escape = opt.escape;
     function parsehtml(line) {
         // 单双引号转义，换行符替换为空格
         line = line.replace(/('|")/g, '\\$1').replace(/\n/g, ' ');
         return ';__code__ += ("' + line + '")\n';
     }
     function parsejs(line) {              
         //var reg = /^(:?)(.*?)=(.*)$/;
         var reg = /^(?:=|(:.*?)=)(.*)$/
         var html;
         var arr;
         var modifier;

         // = := :*=
         // :h=123 [':h=123', 'h', '123']
         if (arr = reg.exec(line)) {
             html = arr[2]; // 输出
             if (Boolean(arr[1])) {
                 // :开头
                 modifier = arr[1].slice(1);
             } else {
                 // = 开头
                 modifier = escape ? 'h' : '';
             }

             return ';__code__ += __modifierMap__["' + modifier + '"](typeof (' + html + ') !== "undefined" ? (' + html + ') : "")\n';
         }
         
         //原生js
         return ';' + line + '\n';
     }

     var tokens = tpl.split(sTag);

     for (var i = 0, len = tokens.length; i < len; i++) {
         var token = tokens[i].split(eTag);

         if (token.length === 1) {
             code += parsehtml(token[0]);
         } else {
             code += parsejs(token[0], true);
             if (token[1]) {
                 code += parsehtml(token[1]);
             }
         }
     }

     return code;
 }
 function compiler(tpl, opt) {
     var mainCode = parse(tpl, opt);

     var headerCode = '\n' + 
     '    var html = (function (__data__, __modifierMap__) {\n' + 
     '        var __str__ = "", __code__ = "";\n' + 
     '        for(var key in __data__) {\n' + 
     '            __str__+=("var " + key + "=__data__[\'" + key + "\'];");\n' + 
     '        }\n' + 
     '        eval(__str__);\n\n';

     var footerCode = '\n' + 
     '        ;return __code__;\n' + 
     '    }(__data__, __modifierMap__));\n' + 
     '    return html;\n';

     var code = headerCode + mainCode + footerCode;
     code = code.replace(/[\r]/g, ' '); // ie 7 8 会报错，不知道为什么
     try {
         var Render = new Function('__data__', '__modifierMap__', code); 
         Render.toString = function () {
             return mainCode;
         }
         return Render;
     } catch(e) {
         e.temp = 'function anonymous(__data__, __modifierMap__) {' + code + '}';
         throw e;
     }  
 }
 function compile(tpl, opt) {
     opt = clone(o, opt);

     try {
         var Render = compiler(tpl, opt);
     } catch(e) {
         e.name = 'CompileError';
         e.tpl = tpl;
         e.render = e.temp;
         delete e.temp;
         return handelError(e);
     }

     function render(data) {
         data = clone(functionMap, data);
         try {
             var html = Render(data, modifierMap);
             html = opt.compress ? compress(html) : html;
             return html;
         } catch(e) {
             e.name = 'RenderError';
             e.tpl = tpl;
             e.render = Render.toString();
             return handelError(e)();
         }            
     }

     render.toString = function () {
         return Render.toString();
     };
     return render;
 }
 function template(tpl, data) {
     if (typeof tpl !== 'string') {
         return '';
     }

     var fn = compile(tpl);
     if (!isObject(data)) {
         return fn;
     }

     return fn(data);
 }

 template.config = function (option) {
     if (isObject(option)) {
         o = extend(o, option);
     }
     return clone(o);
 };

 template.registerFunction = function(name, fn) {
     if (!isString(name)) {
         return clone(functionMap);
     }
     if (!isFunction(fn)) {
         return functionMap[name];
     }

     return functionMap[name] = fn;
 }
 template.unregisterFunction = function (name) {
     if (!isString(name)) {
         return false;
     }
     delete functionMap[name];
     return true;
 }

 template.registerModifier = function(name, fn) {
     if (!isString(name)) {
         return clone(modifierMap);
     }
     if (!isFunction(fn)) {
         return modifierMap[name];
     }

     return modifierMap[name] = fn;
 }
 template.unregisterModifier = function (name) {
     if (!isString(name)) {
         return false;
     }
     delete modifierMap[name];
     return true;
 }

 template.__encodeHTML = encodeHTML;
 template.__compress = compress;
 template.__handelError = handelError;
 template.__compile = compile;
 template.version = '0.7.1';
 return template;
}));